Ruslan Sidelnikov

Ruslan Vladimirovich Sidelnikov
Born on September 16, 1976 in Kaluga.
Currently work place - LLC "BC Nika",
sound producer.

Half-Life Wikia: Barney Calhoun

Barney Calhoun is one of the main characters of the Half-Life series. He was a security guard at Black Mesa before becoming a key Resistance leader. From Half-Life: Blue Shift and onwards, he turns from the Half-Life generic security guard into a standalone character, is given a surname, and an expanded role.

Barney Calhoun, an undecided major after two years at Martinson College, is employed as a mid-level security officer at the Black Mesa Research Facility, with Level 3 security clearance and is accommodated in the Area 8 Topside Dormitories. He is friends with Gordon Freeman and Isaac Kleiner, who are also employees of Black Mesa.

As a Black Mesa security guard, he is tasked with duties including guarding assigned sections, performing general maintenance, and assisting the science team when required. His "Disaster Response Priority" is to protect the Black Mesa facility and its equipment in the event of an emergency, with secondary priority to safeguard members of the science team whilst his own personal safety is of relatively low importance.